1、語法專練 -Unit2 Topic1 情態動詞一、單項選擇1.Mum, may I watch TV now?Sure, but you _ help me with my English. A. canB. may C. must D. could2._ I download the article again?No, you needn't.A. ShallB. WillC. MustD. Can3.Can you go skating with us this afternoon?Sorry, I can't. I _ take care of my little sis

2、ter at home. A. canB. may C. would D. have to4.Must I hand in my exercise book today?No, you _.A. can'tB. needn'tC. mustn'tD. won't5.May I have a word with you?No, you _. I'm busy today. A. needn'tB. wouldn'tC. don't have to D. can't6._ I have your English name, p

3、lease?Yes, Helen. H-E-L-E-N.A. MustB. MayC. WillD. Need7.Who is the boy over there? Is it John?No, it _ be him. John is much taller. A. mustn'tB. may not C. can't D. needn't8.Can you play Frisbee, Jay?Yes, I _. It's easy.A. mustB. canC. needD. may9.You must come back every month.Yes,

4、 I _. A. willB. must C. should D. can10.She _ know the answer， but I'm not sure. A. maybeB. may be C. may D. must11.Must we clean the room right now?No, you _. You _ clean it after lunch.A. needn't; mayB. needn't; mustC. mustn't; canD. mustn't; may12.John _ come to see us tonight, but he isn't very sure yet.A. mayB. canC. has toD. must13.Children _ play with fire.A. mustn'tB. can'tC. shouldn'tD. needn't14._ I come in, Mr Green?Yes, come in, please.A. MustB. NeedC. WillD. May15.Must I finish the work today?No, you _. You